1656136120

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{39023}}^1$

素因数の和:40095

約数の個数: 32

約数和(自身を含む): 3729913920

約数和(自身を除く): 2073777800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 2122, 4244, 5305, 8488, 10610, 21220, 39023, 42440, 78046, 156092, 195115, 312184, 390230, 780460, 1560920, 41403403, 82806806, 165613612, 207017015, 331227224, 414034030, 828068060, 1656136120]

約数ペア:

[(1, 1656136120), (2, 828068060), (4, 414034030), (5, 331227224), (8, 207017015), (10, 165613612), (20, 82806806), (40, 41403403), (1061, 1560920), (2122, 780460), (4244, 390230), (5305, 312184), (8488, 195115), (10610, 156092), (21220, 78046), (39023, 42440)]